An efficient 8 T extraction vector magnetometer with sample rotation for routine operation

Abstract

We describe here a fully automated system for magnetic anisotropy study operating in the field range ±8 T, between 1.8 and 300 K. The three components of the magnetization are simultaneously measured, using the flux extraction method, through three sets of orthogonal pickup coils. The sample is fixed on a rod which enables its vertical movement for the magnetization measurement and its rotation around a horizontal axis, perpendicular to the magnetic field, with a precision of about 1°. The sensitivity of the measurements is 10−7 A m2 along the vertical axis and 5×10−7 A m2 along the horizontal axes.